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Finding the Fourth Proportional to 379,300.87, 569,231.29 and 179,620.94

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Solution

The fourth proportional to 379,300.87, 569,231.29 and 179,620.94 is: 269,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,300.87 : 569,231.29 = 179,620.94 : x
  2. Step 2: Convert to fraction form
    379,300.87/569,231.29 = 179,620.94/x
  3. Step 3: Cross multiply
    379,300.87x = 569,231.29 × 179,620.94
  4. Step 4: Simplify right side
    379,300.87x = 102,245,856,541.06
  5. Step 5: Solve for x
    x = 102,245,856,541.06/379,300.87
  6. Step 6: Final answer
    x = 269,563.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.